// this does not compile | |
fn middle_name(full_name: &str) -> &str { | |
full_name.split_whitespace().nth(1).unwrap() | |
} | |
fn main() { | |
let res; | |
{ | |
let name = String::from("Harry James Potter"); | |
res = middle_name(&name); | |
} | |
assert_eq!(res, "James"); | |
} |
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